Home / 135,722.16-203,584.32-55,739.52

Finding the Fourth Proportional to 135,722.16, 203,584.32 and 55,739.52

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Solution

The fourth proportional to 135,722.16, 203,584.32 and 55,739.52 is: 83,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,722.16 : 203,584.32 = 55,739.52 : x
  2. Step 2: Convert to fraction form
    135,722.16/203,584.32 = 55,739.52/x
  3. Step 3: Cross multiply
    135,722.16x = 203,584.32 × 55,739.52
  4. Step 4: Simplify right side
    135,722.16x = 11,347,692,276.33
  5. Step 5: Solve for x
    x = 11,347,692,276.33/135,722.16
  6. Step 6: Final answer
    x = 83,609.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.